unprotectedness vs defencelessness

unprotectedness and defencelessness both are nouns.

Word	Noun	Adjective	Verb	Adverb
unprotectedness	Yes	No	No	No
defencelessness	Yes	No	No	No

As nouns, unprotectedness and defencelessness are synonyms defined as:

unprotectedness and defencelessness: the property of being helpless in the face of attack

Other synonyms of unprotectedness include defenselessness.

unprotectedness (noun)	defencelessness (noun)
the property of being helpless in the face of attack	the property of being helpless in the face of attack